Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/90 of 9/18?"
2090 × 918 is 19.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90×9/18 20/90×9/36 60/90×9/18 20/90×27/18 20/90×9/54 20/90×45/18 20/90×9/90 20/90×63/18
© everydaycalculation.com